Overview
This OEM genuine ZF 2093.009.086 T 7224 L is a precision-engineered differential component designed for heavy-duty construction machinery transmissions. Positioned within the final drive assembly of ZF power shift transmissions, this part manages torque distribution between the axle shafts while allowing for speed differentiation during turns. The SKU 2093.009.086 serves as a critical interface between the ring gear and the axle shafts, ensuring smooth power delivery under extreme loads. When paired with a 2093109002: DIFFERENTIAL, this assembly maintains driveline integrity in wheel loaders, graders, and excavators.
Symptoms of Failure
- Low-speed grinding noise during turns: A worn 2093.009.086 produces a rhythmic metallic grinding sound when cornering, indicating damaged gear teeth or bearing surfaces.
- Oil leaks from axle housing seals: Degraded internal clearances cause transmission fluid to seep past seals, leaving visible drips under the machine after operation.
- Uneven tire wear patterns: Failed differential action forces one wheel to drag, creating flat spots or feathered edges on tires within 50 operating hours.
- Vibration under load: Excessive play in the differential assembly transmits harsh vibrations through the chassis when the machine is under full torque.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.009.086 |
| OEM Reference | ZF 7224 L |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 4.8 kg (10.6 lbs) |
| Outer Diameter | 185 mm |
| Internal Spline Count | 24 teeth |
| Heat Treatment | Carburized & tempered to HRC 58-62 |
| Torque Capacity | 12,500 Nm |
Compatibility
This OEM genuine part is engineered for ZF WG180, WG200, and WG250 series transmissions commonly found in construction machinery. It directly replaces the differential carrier assembly in 722.4 L final drives used by Volvo, Liebherr, and Caterpillar wheel loaders. For complete axle rebuilds, pair this component with a 0750117075: TAPER ROLLER BEARING and a 2093209095: DIFFERENTIAL to restore factory tolerances. The housing interface matches the 2093309071: DIFF.HOUSING for seamless installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109002 | DIFFERENTIAL | Distributes torque between left and right axles |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier radial loads |
| 2093209095 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309071 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures differential pinion shaft |
| 0730300820 | THRUST WASHER | Reduces axial friction in differential |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hub |
| 5838300811 | THRUST WASHER | Prevents gear end-play |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear for speed differentiation |
Frequently Asked Questions
Q: How do I confirm the 2093.009.086 fits my ZF transmission?
A: Verify your transmission model plate shows “722.4 L” or “WG200” series. Measure the existing differential carrier outer diameter—it must be 185 mm. Cross-reference your old part number against the OEM ZF catalog.
Q: Can I install this part without replacing the taper roller bearings?
A: ZF recommends always replacing the 0750117075: TAPER ROLLER BEARING simultaneously. Old bearings develop raceway brinelling that accelerates wear on the new differential carrier.
Q: What torque specification applies to the differential housing bolts?
A: Tighten the M12 bolts securing the 2093309071: DIFF.HOUSING to 110 Nm using a torque wrench, applying thread locker (Loctite 243) to prevent loosening under vibration.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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